realme 15x 5G vs Samsung Galaxy S21
28.9Performance34.4
50.4Display49.1
37.9Camera40.8
75.6Battery36.9
46.7Features78.7
6 spec wins — realme 15x 5G5 spec wins — Samsung Galaxy S21
InnoReviews verdict
realme 15x 5G wins this phone face-off, 46.1 to 43.6, pulling ahead mainly in battery (+39) and display (+1). Samsung Galaxy S21 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the realme 15x 5G
- Stronger battery score: 76 vs 37
- 400% higher Front camera: 50 MP vs 10 MP
- 317% higher Main camera: 50 MP vs 12 MP
- 140% higher Wired charging: 60 W vs 25 W
- 75% higher capacity: 7,000 mAh vs 4,000 mAh
Reasons to pick the Samsung Galaxy S21
- Stronger performance score: 34 vs 29
- Stronger features score: 79 vs 47
- 66% higher Pixel density: 421 ppi vs 254 ppi
- 19% lower weight: 171 g vs 212 g
- Has NFC — the other doesn't
Display
| Spec | realme 15x 5G | Samsung Galaxy S21 |
|---|---|---|
| Screen size | 6.81 ″+10% | 6.2 ″ |
| Panel type | IPS LCD | AMOLED |
| Resolution | 720x1570 | 2400x1080 |
| Pixel density | 254 ppi | 421 ppi+66% |
| Refresh rate | 144 Hz+20% | 120 Hz |
| Peak brightness | 1,200 nits | 1,300 nits+8% |
| Screen-to-body | 87.6 % | — |
Performance
| Spec | realme 15x 5G | Samsung Galaxy S21 |
|---|---|---|
| Chipset | MediaTek Dimensity 6300 | Samsung Exynos 2100 |
| AnTuTu | — | 746,547Bottom 18% |
| AnTuTu 11 (CPU) | — | 252,025Bottom 14% |
| AnTuTu 11 (GPU) | — | 127,819Bottom 35% |
| AnTuTu 11 (Memory) | — | 144,909Bottom 16% |
| AnTuTu 11 (UX) | — | 221,794Bottom 18% |
| Geekbench 6 (single) | — | 1,430Top 46% |
| Geekbench 6 (multi) | — | 3,550Bottom 50% |
| RAM (max) | 8 GB | 8 GB |
| Storage options | 128/256GB | 128GB / 256GB |
| Storage type | — | UFS 3.1 |
Camera
| Spec | realme 15x 5G | Samsung Galaxy S21 |
|---|---|---|
| Main camera | 50 MP+317% | 12 MP |
| Main aperture | f/1.8 | f/1.8 |
| Ultra-wide | — | 12 MP |
| Telephoto | — | 64 MP |
| Max video | 1080p@30fps | 8K@24fps |
| Front camera | 50 MP+400% | 10 MP |
| OIS | — | Yes |
Battery
| Spec | realme 15x 5G | Samsung Galaxy S21 |
|---|---|---|
| Capacity | 7,000 mAh+75% | 4,000 mAh |
| Wired charging | 60 W+140% | 25 W |
| Wireless charging | — | 15 W |
Design
| Spec | realme 15x 5G | Samsung Galaxy S21 |
|---|---|---|
| Weight | 212 g | 171 g+19% |
| Thickness | 8.3 mm | 7.9 mm+5% |
| IP rating | IP66/IP68/IP69 | IP68 |
| Frame material | — | Aluminum |
Connectivity
| Spec | realme 15x 5G | Samsung Galaxy S21 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 |
| Bluetooth | 5.3 | 5.0 |
| NFC | No | Yes |
| USB | USB Type-C | USB-C 3.2 |
| eSIM | — | Yes |
Software
| Spec | realme 15x 5G | Samsung Galaxy S21 |
|---|---|---|
| OS at launch | Android 15 | Android 11 (One UI 3.1) |
| OS update pledge | — | 4 years |
Audio
| Spec | realme 15x 5G | Samsung Galaxy S21 |
|---|---|---|
| Stereo speakers | — | Yes |
| 3.5mm jack | No | No |